✏️ Editing: mt-plugins.js Writable

/*
1. Typed.js

// The MIT License (MIT)

// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:

// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.

// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.\

! function($) {

"use strict";

var Typed = function(el, options) {

// chosen element to manipulate text
        this.el = $(el);

// options
        this.options = $.extend({}, $.fn.typed.defaults, options);

// attribute to type into
        this.isInput = this.el.is('input');
        this.attr = this.options.attr;

// show cursor
        this.showCursor = this.isInput ? false : this.options.showCursor;

// text content of element
        this.elContent = this.attr ? this.el.attr(this.attr) : this.el.text()

// html or plain text
        this.contentType = this.options.contentType;

// typing speed
        this.typeSpeed = this.options.typeSpeed;

// add a delay before typing starts
        this.startDelay = this.options.startDelay;

// backspacing speed
        this.backSpeed = this.options.backSpeed;

// amount of time to wait before backspacing
        this.backDelay = this.options.backDelay;

// div containing strings
        this.stringsElement = this.options.stringsElement;

// input strings of text
        this.strings = this.options.strings;

// character number position of current string
        this.strPos = 0;

// current array position
        this.arrayPos = 0;

// number to stop backspacing on.
        // default 0, can change depending on how many chars
        // you want to remove at the time
        this.stopNum = 0;

// Looping logic
        this.loop = this.options.loop;
        this.loopCount = this.options.loopCount;
        this.curLoop = 0;

// for stopping
        this.stop = false;

// custom cursor
        this.cursorChar = this.options.cursorChar;

// shuffle the strings
        this.shuffle = this.options.shuffle;
        // the order of strings
        this.sequence = [];

// All systems go!
        this.build();
    };

Typed.prototype = {

constructor: Typed

,
        init: function() {
            // begin the loop w/ first current string (global self.strings)
            // current string will be passed as an argument each time after this
            var self = this;
            self.timeout = setTimeout(function() {
                for (var i=0;i<self.strings.length;++i) self.sequence[i]=i;

// shuffle the array if true
                if(self.shuffle) self.sequence = self.shuffleArray(self.sequence);

// Start typing
                self.typewrite(self.strings[self.sequence[self.arrayPos]], self.strPos);
            }, self.startDelay);
        }

,
        build: function() {
            var self = this;
            // Insert cursor
            if (this.showCursor === true) {
                this.cursor = $("<span class=\"typed-cursor\">" + this.cursorChar + "</span>");
                this.el.after(this.cursor);
            }
            if (this.stringsElement) {
                self.strings = [];
                this.stringsElement.hide();
                var strings = this.stringsElement.find('p');
                $.each(strings, function(key, value){
                    self.strings.push($(value).html());
                });
            }
            this.init();
        }

// pass current string state to each function, types 1 char per call
        ,
        typewrite: function(curString, curStrPos) {
            // exit when stopped
            if (this.stop === true) {
                return;
            }

// varying values for setTimeout during typing
            // can't be global since number changes each time loop is executed
            var humanize = Math.round(Math.random() * (100 - 30)) + this.typeSpeed;
            var self = this;

// ------------- optional ------------- //
            // backpaces a certain string faster
            // ------------------------------------ //
            // if (self.arrayPos == 1){
            //  self.backDelay = 50;
            // }
            // else{ self.backDelay = 500; }

// contain typing function in a timeout humanize'd delay
            self.timeout = setTimeout(function() {
                // check for an escape character before a pause value
                // format: \^\d+ .. eg: ^1000 .. should be able to print the ^ too using ^^
                // single ^ are removed from string
                var charPause = 0;
                var substr = curString.substr(curStrPos);
                if (substr.charAt(0) === '^') {
                    var skip = 1; // skip atleast 1
                    if (/^\^\d+/.test(substr)) {
                        substr = /\d+/.exec(substr)[0];
                        skip += substr.length;
                        charPause = parseInt(substr);
                    }

// strip out the escape character and pause value so they're not printed
                    curString = curString.substring(0, curStrPos) + curString.substring(curStrPos + skip);
                }

if (self.contentType === 'html') {
                    // skip over html tags while typing
                    var curChar = curString.substr(curStrPos).charAt(0)
                    if (curChar === '<' || curChar === '&') {
                        var tag = '';
                        var endTag = '';
                        if (curChar === '<') {
                            endTag = '>'
                        } else {
                            endTag = ';'
                        }
                        while (curString.substr(curStrPos).charAt(0) !== endTag) {
                            tag += curString.substr(curStrPos).charAt(0);
                            curStrPos++;
                        }
                        curStrPos++;
                        tag += endTag;
                    }
                }

// timeout for any pause after a character
                self.timeout = setTimeout(function() {
                    if (curStrPos === curString.length) {
                        // fires callback function
                        self.options.onStringTyped(self.arrayPos);

// is this the final string
                        if (self.arrayPos === self.strings.length - 1) {
                            // animation that occurs on the last typed string
                            self.options.callback();

self.curLoop++;

// quit if we wont loop back
                            if (self.loop === false || self.curLoop === self.loopCount)
                                return;
                        }

self.timeout = setTimeout(function() {
                            self.backspace(curString, curStrPos);
                        }, self.backDelay);
                    } else {

/* call before functions if applicable */
                        if (curStrPos === 0)
                            self.options.preStringTyped(self.arrayPos);

// start typing each new char into existing string
                        // curString: arg, self.el.html: original text inside element
                        var nextString = curString.substr(0, curStrPos + 1);
                        if (self.attr) {
                            self.el.attr(self.attr, nextString);
                        } else {
                            if (self.isInput) {
                                self.el.val(nextString);
                            } else if (self.contentType === 'html') {
                                self.el.html(nextString);
                            } else {
                                self.el.text(nextString);
                            }
                        }

// add characters one by one
                        curStrPos++;
                        // loop the function
                        self.typewrite(curString, curStrPos);
                    }
                    // end of character pause
                }, charPause);

// humanized value for typing
            }, humanize);

}

,
        backspace: function(curString, curStrPos) {
            // exit when stopped
            if (this.stop === true) {
                return;
            }

// varying values for setTimeout during typing
            // can't be global since number changes each time loop is executed
            var humanize = Math.round(Math.random() * (100 - 30)) + this.backSpeed;
            var self = this;

self.timeout = setTimeout(function() {

// ----- this part is optional ----- //
                // check string array position
                // on the first string, only delete one word
                // the stopNum actually represents the amount of chars to
                // keep in the current string. In my case it's 14.
                // if (self.arrayPos == 1){
                //  self.stopNum = 14;
                // }
                //every other time, delete the whole typed string
                // else{
                //  self.stopNum = 0;
                // }

if (self.contentType === 'html') {
                    // skip over html tags while backspacing
                    if (curString.substr(curStrPos).charAt(0) === '>') {
                        var tag = '';
                        while (curString.substr(curStrPos).charAt(0) !== '<') {
                            tag -= curString.substr(curStrPos).charAt(0);
                            curStrPos--;
                        }
                        curStrPos--;
                        tag += '<';
                    }
                }

// ----- continue important stuff ----- //
                // replace text with base text + typed characters
                var nextString = curString.substr(0, curStrPos);
                if (self.attr) {
                    self.el.attr(self.attr, nextString);
                } else {
                    if (self.isInput) {
                        self.el.val(nextString);
                    } else if (self.contentType === 'html') {
                        self.el.html(nextString);
                    } else {
                        self.el.text(nextString);
                    }
                }

// if the number (id of character in current string) is
                // less than the stop number, keep going
                if (curStrPos > self.stopNum) {
                    // subtract characters one by one
                    curStrPos--;
                    // loop the function
                    self.backspace(curString, curStrPos);
                }
                // if the stop number has been reached, increase
                // array position to next string
                else if (curStrPos <= self.stopNum) {
                    self.arrayPos++;

if (self.arrayPos === self.strings.length) {
                        self.arrayPos = 0;

// Shuffle sequence again
                        if(self.shuffle) self.sequence = self.shuffleArray(self.sequence);

self.init();
                    } else
                        self.typewrite(self.strings[self.sequence[self.arrayPos]], curStrPos);
                }

// humanized value for typing
            }, humanize);

}
        /**
         * Shuffles the numbers in the given array.
         * @param {Array} array
         * @returns {Array}
         */
        ,shuffleArray: function(array) {
            var tmp, current, top = array.length;
            if(top) while(--top) {
                current = Math.floor(Math.random() * (top + 1));
                tmp = array[current];
                array[current] = array[top];
                array[top] = tmp;
            }
            return array;
        }

// Start & Stop currently not working

// , stop: function() {
        //     var self = this;

//     self.stop = true;
        //     clearInterval(self.timeout);
        // }

// , start: function() {
        //     var self = this;
        //     if(self.stop === false)
        //        return;

//     this.stop = false;
        //     this.init();
        // }

// Reset and rebuild the element
        ,
        reset: function() {
            var self = this;
            clearInterval(self.timeout);
            var id = this.el.attr('id');
            this.el.after('<span id="' + id + '"/>')
            this.el.remove();
            if (typeof this.cursor !== 'undefined') {
                this.cursor.remove();
            }
            // Send the callback
            self.options.resetCallback();
        }

};

$.fn.typed = function(option) {
        return this.each(function() {
            var $this = $(this),
                data = $this.data('typed'),
                options = typeof option == 'object' && option;
            if (!data) $this.data('typed', (data = new Typed(this, options)));
            if (typeof option == 'string') data[option]();
        });
    };

$.fn.typed.defaults = {
        strings: ["These are the default values...", "You know what you should do?", "Use your own!", "Have a great day!"],
        stringsElement: null,
        // typing speed
        typeSpeed: 0,
        // time before typing starts
        startDelay: 0,
        // backspacing speed
        backSpeed: 0,
        // shuffle the strings
        shuffle: false,
        // time before backspacing
        backDelay: 500,
        // loop
        loop: false,
        // false = infinite
        loopCount: false,
        // show cursor
        showCursor: true,
        // character for cursor
        cursorChar: "|",
        // attribute to type (null == text)
        attr: null,
        // either html or text
        contentType: 'html',
        // call when done callback function
        callback: function() {},
        // starting callback function before each string
        preStringTyped: function() {},
        //callback for every typed string
        onStringTyped: function() {},
        // callback for reset
        resetCallback: function() {}
    };

}(window.jQuery);
;

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